“positive drive lift”的概念、定义、翻译、参考文献-科学参考

单词	positive drive lift
释义	positive drive lift Encyclopedia 工学电梯释 positive drive lift强制驱动电梯用链或钢丝绳悬吊的非摩擦方式驱动的电梯。这类电梯属于早期的电梯类型，已很少应用，仅在杂物电梯等中使用。不能使用对重，可使用平衡重。
随便看	photoconductive semiconductor switches photoconductive switch photo conductivity photoconductivity photoconductivity of semiconductors photo conductor photoconductor photoconjunctivitis photo control point photo control survey photoconvertable fluorescence protein photoconverter photocopy photocopy & typography edition photocorrosion photocounting photocounting, photon counting photocreep photocrosslinking photo-crosslinking polymer materials photo-crosslinking tag photocrystallization photo curing photo-curing photocuring coating

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